#include<stdio.h>
int main(){
	int iSelect=1;
	while(iSelect!=0){
		printf("--------Menu-------\n");
		printf("------sell---------1\n");
		printf("------buy----------2\n");
		printf("------showproduct---3\n");
		printf("-----out------------0\n");
		scanf("%d",&iSelect);
		switch(iSelect){
			case 1:
				printf("you are selling to consumer\n");
				break;
			case 2:
				printf("you are buying something into store\n");
				break;
			case 3:
				printf("checking the store\n");
				break;
			case 0:
				printf("the program is out\n");
				break;
			default:
				printf("you put a wrong selection\n");
				break;
		}
	}
	return 0;
}
